/**************************************************************************************************
* function : rename upload file in ftp server
* para : {char * oldName} old file name;
* {char * newName} new file name;
* {int socket_control} socket file description
*
* return : {int} -1: error;
0: OK
* history : {2013.7.18 wujun} fristly be created
{2013.7.29 wujun} modify return data type from void to int
**************************************************************************************************/
int ftp_rename(char *oldName, char *newName, int socket_control)
{
int error;
//ftp_get_reply(socket_control);
if( ftp_send_cmd("RNFR ", oldName, socket_control) < 0 )
{
plog("%s%s", oldName, " :send 'RNFR' command error.\n");
return -1;
}
if( (error = ftp_get_reply(socket_control, NULL)) <= 0 )
{
plog("%s","Fun(ftp_rename):recv no message 1.\n");
return -1;
}
if( error == 350 )//350 Ready for RNTO.
{
if( (ftp_send_cmd("RNTO ", newName, socket_control)) <= 0 )
{
plog("%s", "Fun(ftp_rename): send command 'RNTO' error.\n");
return -1;
}
if( ( error = ftp_get_reply(socket_control, NULL) ) <= 0 )
{
plog("%s","Fun(ftp_rename):recv no message 2.\n");
return -1;
}
if(error == 250)//250 Rename successful.
{
plog("%s%s%s", "Fun(ftp_rename): rename ", oldName, " successfullu.\n");
return 0;
}
else
{
plog("%s","RNTO command excuted failed.\n");
return -1;
}
}else
{
plog("%s","RNFR command excuted failed.\n");
return -1;
}
}
/**************************************************************************************************
* function : get ftp port, when mode=1, port =21
* para : {void} .
* return : {int } port
* history : {2013.7.18 wujun} fristly be created
**************************************************************************************************/
int get_port(int socket_control)
{
char port_respond[2048];
char *temp;
int count,port_num;
int error = ftp_send_cmd("PASV",NULL,socket_control);
if( error < 0)
{
plog("%s","Fun(get_port) : Send 'PASV' command error.\n");
return 0;//è¿å
¥è¢«å¨æ¨¡å¼
}
memset(port_respond, 0, 2048);
//count = recv(socket_control,port_respond,510, MSG_WAITALL);
count = ftp_get_reply(socket_control, port_respond);
if( count <= 0 )
{
plog("%s", "Fun(get_port): recv no message or other error.\n");
return 0;
}
plog("Fun(get_port): %s.", port_respond);
if( atoi( port_respond ) == 227 )//ç¡®å®è¿å
¥è¢«å¨æ¨¡å¼
{
temp = strrchr( port_respond, ',' );//å¨ä¸²ä¸æå®å符çæåä¸ä¸ªåºç°ä½ç½®ä»¥æ¾åºn6
port_num = atoi( temp+1 );
*temp = '\0'; //æªæn6æ¥ån5;
temp = strrchr( port_respond, ',');
port_num += atoi( temp+1 ) * 256;
return port_num;
}
return 0;
}
/**************************************************************************************************
* function : send command 'user' and 'pass' to ftp server;
* para : {char * user} ftp user name;
* {char * password} ftp password;
* {int socket_control} socket file description
* return : {int} error code, like 0: ok, -1:error ;
* history : {2013.7.18 wujun} fristly be created
**************************************************************************************************/
int ftp_login(int socket_control, char * user, char * password)
{
int err;
if(ftp_send_cmd("USER ", user, socket_control) < 0)
{
plog("%s", "Fun(ftp_login): send command 'USER' error.\n");
return -1;
}
err = ftp_get_reply(socket_control, NULL);
if(err == 331)
{
if(ftp_send_cmd("PASS ", password, socket_control) < 0)
{
plog("%s", "Fun(ftp_login):send command 'PASS' error.\n");
return -1;
}
err = ftp_get_reply(socket_control, NULL);
if(err != 230)
{
plog("%s", "Fun(ftp_login): Password error!\n");
return -1;
}
else
{
plog("%s", "Fun(ftp_login): Password correct!\n");
return 0;
}
}
else if ( err == 530)
{
plog("%s", "Fun(ftp_login): Already connected.\n");
return -1;
}
else
{
plog("%s", "Fun(ftp_login): other error.\n");
return -1;
}
}
void ftp_quit()
{
int error;
ftp_send_cmd("QUIT",NULL,sock_control);
error = ftp_get_reply(sock_control);
printf("ftp reply number:<%d>, fun<%s> line<%d>\n",error,__FUNCTION__,__LINE__);
close(sock_control);
}
/*****************************************************************************
* function : make dir in ftp server
* para : {char * dirName} dir name;
* {int socket_control} socket file description
*
* return : {int} -1: error;
0: OK
* history : {2013.7.18 wujun} fristly be created
{2013.7.29 wujun} modify return data type from void to int
*******************************************************************************/
int ftp_mkdir(char *dirName, int socket_control)
{
if( dirName == NULL )
{
plog("%s", "Fun(ftp_mkdir): dirName is null.\n" );
return -1;
}
int len = strlen(dirName);
char *path;
if( len == 0)
{
plog("%s", "Fun(ftp_mkdir): dirName content is blank.\n" );
return -1;
}
path = (char *)malloc(len+1);
if( path == NULL )
{
plog("%s", "Fun(ftp_mkdir): malloc 'path' error.\n" );
return -1;
}
memset(path,0,len+1);
strcpy(path, dirName);
int p;
for( p = 1; p <= len; p++ )
{
if( path[p] == '/')
{
path[p] = 0;
if( ( ftp_send_cmd("MKD ", path, socket_control) ) <= 0 )
{
plog("%s", "Fun(ftp_mkdir) : send command MKD error.\n");
}
if( ftp_get_reply(socket_control, NULL) <= 0 )
{
plog("%s","Fun(ftp_mkdir) :recv no message 3 or network error.\n");
return -1;
}
path[p] = '/';
}
}
plog("%s%s", path, ": create successfully\n.");
return 0;
}
int ftp_cd(char *dir)
{
int error;
if(dir==NULL)
{
printf("command error!\n");
return -1;
}
char ftpDir[1024];
memset(ftpDir,0,sizeof(ftpDir));
strncpy(ftpDir,dir,strlen(dir));
ftpDir[strlen(dir)]='\0';
ftp_send_cmd("CWD ",ftpDir,sock_control); /* 改变服务器上的工作目录 */
error = ftp_get_reply(sock_control);
printf("ftp reply number:<%d>, fun<%s> line<%d>\n",error,__FUNCTION__,__LINE__);
if(error == 550)
{
printf("ftp file error !\n");
return -1;
}
printf("ftp cd succ! ftpDir=%s\n",ftpDir);
return 0;
}
int get_port()
{
char port_respond[512];
memset(port_respond,0,sizeof(port_respond));
char *temp;
int count,port_num;
/* 请求服务器等待数据连接 */
ftp_send_cmd("PASV",NULL,sock_control);/* 进入被动模式 */
count=read(sock_control,port_respond,510);
if(count<=0)
return 0;
port_respond[count]='\0';
if(atoi(port_respond)==227)/* 确定进入被动模式 */
{
/* 如果 返回的数据是(127,0,0,1,4,18) ， 那么 port_num = 4 * 256 + 18 */
temp=strrchr(port_respond,',');
port_num=atoi(temp+1);
*temp='\0';
temp=strrchr(port_respond,',');
port_num+=atoi(temp+1)*256;
return port_num;
}
return 0;
}
/**************************************************************************************************
* function : upload filr from ftp server;
* para : {char* src_file} file path in local host;
* {char * dst_file} file path in ftp server;
* {int socket_control} socket file description
*
* return : {int} -1: local file does not exist;
-2: can not open local file;
-3: command socket file description error;
-4: data socket file description error
* history : {2013.7.18 wujun} fristly be created
{2013.7.29 wujun} modify return data type from void to int
**************************************************************************************************/
int ftp_put(char* src_file, char * dst_file, int socket_control)
{
char send_buff[512];
struct stat file_info;
int local_file;
int file_put_sock,new_sock,count=0,i=0;
int set=sizeof(local_host);
char log[500];
if( stat( src_file, &file_info ) < 0 )
{
memset( log, 0, 500 );
sprintf( log, "Fun(ftp_put):upload:local file %s doesn't exist!\n\n", src_file );
plog( "%s", log );
return UPLOAD_LOCAL_FILENAME_NULL;
}
local_file = fopen( src_file, "r" );
if( local_file < 0 )
{
plog("%s","Fun(ftp_put): Open file error.\n\n");
return UPLOAD_LOCAL_OPEN_ERROR;
}
file_put_sock = xconnect_ftpdata( socket_control);
if( file_put_sock < 0 )
{
ftp_get_reply( socket_control, NULL );
plog("%s", "Fun(ftp_put):Creat data socket error.\n\n");
return UPLOAD_DATA_SOCKET_ERROR;
}
if( ftp_send_cmd("STOR " , dst_file,socket_control ) < 0 )
{
plog("%s", "Fun(ftp_put):send 'STOR' command error.\n\n");
close(file_put_sock);
return -1;
}
if( ftp_get_reply(socket_control, NULL) == 0)
{
plog("%s", "Fun(ftp_put):recv no message after sending 'STOR' command.\n\n");
close(file_put_sock);
return -1;
}
if( ftp_send_cmd("TYPE I",NULL,socket_control) < 0)
{
plog("%s", "Fun(ftp_put):send 'TYPE I' command error.\n\n");
close(file_put_sock);
return -1;
}
if( ftp_get_reply(socket_control, NULL) == 0)
{
plog("%s", "Fun(ftp_put):recv no message after sending 'TYPE I' command.\n\n");
close(file_put_sock);
return -1;
}
if(mode == 0)
{
while(i<3)
{
new_sock=accept(file_put_sock,(struct sockaddr *)&local_host,(socklen_t*)&set);
if(new_sock==-1)
{
plog("%s","Fun(ftp_put):error create new_sock in put port.\n\n");
i++;
continue ;
}
else
break;
}
if(new_sock==-1)
{
plog("%s","Fun(ftp_put):The PORT mode won't work.\n\n");
close(file_put_sock);
return UPLOAD_PORT_MODE_ERROR;
}
while(1)
{
count=recv(local_file,send_buff,sizeof(send_buff), MSG_WAITALL);
if(count<=0)
{
fclose(local_file);
close(file_put_sock);
close(new_sock);
plog("%s%s", src_file, "Fun(ftp_put):upload over.\n\n");
ftp_delay();
return UPLOAD_SUCCESS;
}
else
{
write(new_sock,send_buff,sizeof(send_buff));
}
}
}
else if( mode == 1 )
{
while( 1 )
{
count = recv( local_file, send_buff, sizeof( send_buff ), MSG_WAITALL);
if( count <= 0 )
{
fclose( local_file );
close( file_put_sock );
ftp_delay( );
plog("%s%s", src_file, "Fun(ftp_put):upload over.\n\n");
return UPLOAD_SUCCESS;
}
else
{
write( file_put_sock, send_buff, count );
}
}
}
}
/**************************************************************************************************
* function : download filr from ftp server;
* para : {char* src_file} file path in ftp server;
* {char * dst_file} file path in local host;
* {int socket_control} socket file description
*
* return : {int}
0:ok;
-1:create local file error;
-2:command socket file description error;
-3:transfer mode set error;
* history : {2013.7.18 wujun} fristly be created
{2013.7.29 wujun} modify return data type from void to int
**************************************************************************************************/
int ftp_get(char* src_file, char * dst_file, int socket_control)
{
int get_sock, set, new_sock, i = 0;
char rcv_buf[512];
char cover_flag[3];
struct stat file_info;
FILE * local_file;
int count = 0;
int replayId = 0;
if( src_file == NULL || dst_file == NULL)
{
plog("%s","Fun(ftp_get) : file path is invalid.\n\n");
return DOWNLOAD_LOCAL_FILENAME_NULL;
}
get_sock = xconnect_ftpdata(socket_control);
if(get_sock < 0)
{
plog("%s","Fun(ftp_get) :socket error!\n\n");
return DOWNLOAD_CONNECT_SOCKET_ERROR;
}
set = sizeof(local_host);
if( ftp_send_cmd("TYPE I", NULL, socket_control) < 0 )
{
plog("%s", "Fun(ftp_get) :send 'TYPE I' command error.\n\n");
close(get_sock);
return -1;
}
if( ftp_get_reply(socket_control, NULL) <= 0 )
{
plog("%s", "Fun(ftp_get) :'TYPE I' recv no message.\n");
close(get_sock);
return -1;
}
if( ftp_send_cmd("RETR ", src_file, socket_control) < 0)
{
plog("%s", "Fun(ftp_get) :send 'RETR' command error.\n\n");
close(get_sock);
return -1;
}
if(!mode)
{
while(i < 3)
{
new_sock = accept(get_sock, (struct sockaddr *)&local_host, (socklen_t *)&set);
if(new_sock == -1)
{
plog("%s","Fun(ftp_get) :accept errno.\n");
i++;
continue;
}
else
{
break;
}
}
if( new_sock == -1 )
{
plog("%s","Fun(ftp_get) :Sorry, you can't use PORT mode. \n\n");
close(get_sock);
return DOWNLOAD_PORT_MODE_ERROR;
}
if( ( replayId = ftp_get_reply(socket_control, NULL ) ) <= 0 )
{
plog("%s", "Fun(ftp_get) :recv no message or network error.\n\n");
close(get_sock);
return -1;
}
if(replayId == 550)//remote file does not exist.
{
plog("%s%s", src_file, " does not exsit.\n");
close(get_sock);
return DOWNLOAD_REMOTE_FILE_NOEXIST;
}
local_file = fopen(dst_file, "w+");
if( local_file == NULL )
{
plog("%s","Fun(ftp_get) :creat local file error!\n\n");
close(get_sock);
return DOWNLOAD_CREAET_LOCALFILE_ERROR;
}
while(1)
{
count = recv(new_sock, rcv_buf, sizeof(rcv_buf),MSG_WAITALL);
if(count <= 0)
{
fclose(local_file);
close(get_sock);
close(new_sock);
//char commmand[1024];
//sprintf(commmand, "chmod 0777 %s", dst_file);
//system(commmand);
ftp_delay();
plog("%s\t%s",src_file," download successfully.\n\n\n");
return FTP_DOWNLOAD_SUCCESS;
}
else
{
fprintf(local_file, "%s",rcv_buf);
}
}
}
else
{
if( ( replayId=ftp_get_reply(socket_control, NULL) ) <= 0 )
{
plog("%s", "Fun(ftp_get) :'RETR' recv no message.\n\n");
close(get_sock);
return -1;
}
if(replayId == 550)//remote file does not exist.
{
plog("%s%s", src_file, " does not exsit.\n");
close(get_sock);
return DOWNLOAD_REMOTE_FILE_NOEXIST;
}
local_file = fopen(dst_file, "w+");
if( local_file == NULL )
{
plog("%s","Fun(ftp_get) :creat local file error!\n\n");
close(get_sock);
return DOWNLOAD_CREAET_LOCALFILE_ERROR;
}
while(1)
{
memset(rcv_buf,0,512);
count = recv(get_sock, rcv_buf, 512, MSG_WAITALL);
if(count <= 0)
{
fclose(local_file);
close(get_sock);
char commmand[1024];
sprintf(commmand, "chmod 0777 %s", dst_file);
system(commmand);
ftp_delay();
plog("%s\t%s",src_file," download successfully.\n\n");
return FTP_DOWNLOAD_SUCCESS;
}
else
{
fwrite (rcv_buf , sizeof(char), sizeof(rcv_buf), local_file);
}
}
}
}
/**************************************************************************************************
* function : according to mode, set ftp data transfer method
* para :
* return : {int} error code;
* history : {2013.7.18 wujun} fristly be created
**************************************************************************************************/
int xconnect_ftpdata(int socket_control)
{
if(mode)
{
int data_port = get_port(socket_control);
if( data_port != 0 )
{
ftp_server.sin_port=htons(data_port);
}
return(xconnect(&ftp_server, 0));
}
else
{
int client_port, get_sock, opt, set;
char cmd_buf[32];
char log[500] = {0};
struct timeval outtime;
struct sockaddr_in local;
char local_ip[24];
char *ip_1, *ip_2, *ip_3, *ip_4;
int addr_len = sizeof(struct sockaddr);
client_port = rand_local_port();
get_sock = socket(AF_INET, SOCK_STREAM, 0);
if(get_sock < 0)
{
plog("%s", "Fun(xconnect_ftpdata):set work mode PORT and get socket error.\n");
return -1;
}
//set outtime for the data socket
outtime.tv_sec = 1;
outtime.tv_usec = 0;
opt = SO_REUSEADDR;
//set = setsockopt(get_sock, SOL_SOCKET,SO_RCVTIMEO, &outtime,sizeof(outtime));
if(set !=0)
{
memset(log, 0, 500);
sprintf(log,"Fun(xconnect_ftpdata):set socket %s errno:%d\n",strerror(errno),errno);
plog("%s", log);
close(get_sock);
return -1;
}
set = setsockopt(get_sock, SOL_SOCKET,SO_REUSEADDR, &opt,sizeof(opt));
if(set !=0)
{
memset(log, 0, 500);
sprintf(log,"Fun(xconnect_ftpdata):set socket %s errno:%d\n",strerror(errno),errno);
plog("%s",log);
close(get_sock);
return -1;
}
bzero(&local_host,sizeof(local_host));
local_host.sin_family = AF_INET;
local_host.sin_port = htons(client_port);
local_host.sin_addr.s_addr = htonl(INADDR_ANY);
bzero(&local, sizeof(struct sockaddr));
while(1)
{
set = bind(get_sock, (struct sockaddr *)&local_host, sizeof(local_host));
if(set != 0 && errno == 11)
{
client_port = rand_local_port();
continue;
}
set = listen(get_sock, 1);
if(set != 0 && errno == 11)
{
plog("%s","Fun(xconnect_ftpdata):listen().\n");
close(get_sock);
return -1;
}
//get local host's ip
if(getsockname(socket_control,(struct sockaddr*)&local,(socklen_t *)&addr_len) < 0)
{
plog("%s", "Fun(xconnect_ftpdata): get sock name error.\n");
close(get_sock);
return -1;
}
snprintf(local_ip, sizeof(local_ip), inet_ntoa(local.sin_addr));
//change the format to the PORT command needs.
local_ip[strlen(local_ip)]='\0';
ip_1 = local_ip;
ip_2 = strchr(local_ip, '.');
*ip_2 = '\0';
ip_2++;
ip_3 = strchr(ip_2, '.');
*ip_3 = '\0';
ip_3++;
ip_4 = strchr(ip_3, '.');
*ip_4 = '\0';
ip_4++;
snprintf(cmd_buf, sizeof(cmd_buf), "PORT %s,%s,%s,%s,%d,%d", ip_1, ip_2, ip_3, ip_4, client_port >> 8, client_port&0xff);
if( ftp_send_cmd( cmd_buf, NULL, socket_control ) < 0 )
{
plog("%s", "Fun(xconnect_ftpdata):send 'PORT' command error.\n");
close(get_sock);
return -1;
}
if(ftp_get_reply(socket_control, NULL) != 200)
{
plog("%s","Fun(xconnect_ftpdata):Can not use PORT mode!Please use \"mode\" change to PASV mode.\n");
close(get_sock);
return -1;
}
else
{
return get_sock;
}
}
}
}
int ftp_put(st_ftp *s)
{
int ret,error;
char src_file[512],dst_file[512],send_buff[512],put_cmd[512];
struct stat file_info;
int local_file;
int file_put_sock,new_sock,count=0,i=0;
int set=sizeof(local_host);
memset(src_file,0,sizeof(src_file));
memset(dst_file,0,sizeof(dst_file));
memset(send_buff,0,sizeof(send_buff));
memset(put_cmd,0,sizeof(put_cmd));
sprintf(put_cmd,"put %s",s->putFileName);
if((ret = ftp_login(s->ip, s->port, s->user, s->password)) == -1) // 登录ftp
{
printf("Password error!\n");
return -1;
}
else if(ret == -2)
{
printf("User error!\n");
return -1;
}
if(local_cd(s->localDir) != 0) // 切换到本地目录
{
printf("local cd error !\n");
return -1;
}
if(ftp_cd(s->ftpDir) != 0)// 改变ftp服务器的目录
{
printf("ftp cd error !\n");
return -1;
}
ftp_cmd_filename(put_cmd,src_file,dst_file);// ftp操作命令
if((stat(src_file,&file_info))<0) // 获取文件信息
{
printf("local file %s doesn't exist!\n",src_file);
close(sock_control);
return -1;
}
local_file=open(src_file,O_RDONLY);
if(local_file<0)
{
printf("Open file error\n");
close(sock_control);
return -2;
}
file_put_sock=ftp_connect_data();
if(file_put_sock<0)
{
ftp_get_reply(sock_control);
printf("Creat data socket error!\n");
close(local_file);
close(sock_control);
return -3;
}
ftp_send_cmd("TYPE I",NULL,sock_control);/* 数据类型（A=ASCII，E=EBCDIC，I=binary） */
error = ftp_get_reply(sock_control);
printf("ftp reply number:<%d>, fun<%s> line<%d>\n",error,__FUNCTION__,__LINE__);
if(error != 200)
{
printf("commond :<TYPE I> error!,line<%d>\n",__LINE__);
return -1;
}
ftp_send_cmd("STOR ",dst_file,sock_control);/* 储存（复制）文件到服务器上 */
error = ftp_get_reply(sock_control);
printf("ftp reply number:<%d>, fun<%s> line<%d>\n",error,__FUNCTION__,__LINE__);
if(error != 150)
{
printf("commond :<STOR> error!,line<%d>\n",__LINE__);
return -1;
}
printf("put file begin,please wait ...\n");
while(1)
{
count=read(local_file,send_buff,sizeof(send_buff));
if(count<=0)
{
break;
}
else
{
if((write(file_put_sock,send_buff,count)) == -1)
{
printf("write err!\n");
break;
}
}
}
printf("put file succ!\n");
close(local_file);
close(file_put_sock);
ftp_get_reply(sock_control);
ftp_quit();
return 0;
}
int ftp_get(st_ftp *s)
{
int ret,error;
int get_sock, set, new_sock, i = 0;
char src_file[512],dst_file[512],rcv_buf[512],get_cmd[512];
int local_file;
int count = 0;
struct stat file_info;
memset(src_file,0,sizeof(src_file));
memset(dst_file,0,sizeof(dst_file));
memset(rcv_buf,0,sizeof(rcv_buf));
memset(get_cmd,0,sizeof(get_cmd));
sprintf(get_cmd,"get %s",s->getFileName);
if((ret = ftp_login(s->ip, s->port, s->user, s->password)) == -1)
{
printf("Password error!\n");
return -1;
}
else if(ret == -2)
{
printf("User error!\n");
return -1;
}
if(local_cd(s->localDir) != 0)
{
printf("local cd error !\n");
return -1;
}
if(ftp_cd(s->ftpDir) != 0)
{
printf("ftp cd error !\n");
return -1;
}
ftp_cmd_filename(get_cmd, src_file, dst_file);
if(!stat(dst_file, &file_info))
{
printf("local file %s exists: %d bytes\n", dst_file, (int)file_info.st_size);
if(!s->getCoverFalgs)
{
close(sock_control);
return -1;
}
}
local_file = open(dst_file, O_CREAT|O_TRUNC|O_WRONLY);
if(local_file < 0)
{
printf("creat local file %s error!\n", dst_file);
close(sock_control);
return -2;
}
get_sock = ftp_connect_data();
if(get_sock < 0)
{
printf("socket error!\n");
close(sock_control);
return -3;
}
set = sizeof(local_host);
ftp_send_cmd("TYPE I", NULL, sock_control);
error = ftp_get_reply(sock_control);
printf("ftp reply number:<%d>, fun<%s> line<%d>\n",error,__FUNCTION__,__LINE__);
if(error != 200)
{
printf("commond :<TYPE I> error!,line<%d>\n",__LINE__);
return -1;
}
ftp_send_cmd("RETR ", src_file, sock_control);/* 从服务器上找回（复制）文件 */
error = ftp_get_reply(sock_control);
printf("ftp reply number:<%d>, fun<%s> line<%d>\n",error,__FUNCTION__,__LINE__);
if(error != 150)
{
printf("commond :<RETR> error!,line<%d>\n",__LINE__);
return -1;
}
printf("get file begin,please wait ...\n");
while(1)
{
count = read(get_sock, rcv_buf, sizeof(rcv_buf));
if(count <= 0)
{
break;
}
else
{
if((write(local_file, rcv_buf, count)) == -1)
{
printf("write err!\n");
break;
}
}
}
printf("get file succ!\n");
close(local_file);
close(get_sock);
ftp_get_reply(sock_control);
ftp_quit();
return 0;
}
int ftp_login(char * server_ip, int port, char * user, char * password)
{
int error;
if(port<=0||port>=(1<<16))
{
cmd_err_exit("Invalid port!",254);
}
bzero(&ftp_server,sizeof(struct sockaddr_in));
ftp_server.sin_family=AF_INET;
ftp_server.sin_port=htons(port);
if(inet_addr(server_ip)!=-1)
{
ftp_server.sin_addr.s_addr=inet_addr(server_ip);
}
else
{
if((server_hostent=gethostbyname(server_ip))!=0)
{
memcpy(&ftp_server.sin_addr,server_hostent->h_addr,sizeof(ftp_server.sin_addr));
}
else
{
cmd_err_exit("Invalid address!",253);
}
}
sock_control=ftp_connect(&ftp_server,1); /* 建立控制通道 */
if((error=ftp_get_reply(sock_control))!=220)/* 对新用户准备好 */
{
cmd_err_exit("Connect error!",220);
}
if(ftp_send_cmd("USER ", user, sock_control) < 0)
{
cmd_err_exit("Can not send message",1);
}
error = ftp_get_reply(sock_control);
printf("ftp reply number:<%d>, fun<%s> line<%d>\n",error,__FUNCTION__,__LINE__);
if(error == 331)
{
if(ftp_send_cmd("PASS ", password, sock_control) <= 0)
{
cmd_err_exit("Can not send message",1);
}
else
{
error = ftp_get_reply(sock_control);
}
if(error != 230)
{
printf("Password error!\n");
close(sock_control);
return -1;
}
printf("login succ!\n");
return 0;
}
else
{
printf("User error!\n");
close(sock_control);
return -2;
}
}
